Home / 117,788.60-176,618.10-51,217.40

Finding the Fourth Proportional to 117,788.60, 176,618.10 and 51,217.40

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Solution

The fourth proportional to 117,788.60, 176,618.10 and 51,217.40 is: 76,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,788.60 : 176,618.10 = 51,217.40 : x
  2. Step 2: Convert to fraction form
    117,788.60/176,618.10 = 51,217.40/x
  3. Step 3: Cross multiply
    117,788.60x = 176,618.10 × 51,217.40
  4. Step 4: Simplify right side
    117,788.60x = 9,045,919,874.94
  5. Step 5: Solve for x
    x = 9,045,919,874.94/117,788.60
  6. Step 6: Final answer
    x = 76,797.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.